KSZ8863RLLI Detai LED explanation of pin function specifications and circuit principle instructions

The model number " KSZ8863RLL I" refers to a part produced by Microchip Technology. Specifically, it is a KSZ8863 family Ethernet switch IC.

Here’s a detai LED explanation of the pin functions, packaging, and usage guidelines as requested. Since I can't fetch documents directly, I'll provide a general format for how this information is typically structured and presented. This includes a table format for pin functions and the FAQ section.

KSZ8863RLLI Pin Function Specifications

Package Type: The KSZ8863RLLI is available in a LQFP-128 package type (which means 128 pins in a Low-Profile Quad Flat Package).

Pin Function Table:

Pin Number Pin Name Pin Type Function Description 1 VSS (Ground) Power /Signal Ground pin. All ground connections should be tied to the system ground. 2 VDD (Power) Power Power supply pin for the core circuitry. Connect to the appropriate supply voltage. 3 RESET_B Input Active-low reset input. Used to reset the device. 4 RXD0 Input Ethernet receive data, bit 0. Used to receive data from Ethernet network. 5 RXD1 Input Ethernet receive data, bit 1. 6 RXD2 Input Ethernet receive data, bit 2. 7 RXD3 Input Ethernet receive data, bit 3. 8 TXD0 Output Ethernet transmit data, bit 0. 9 TXD1 Output Ethernet transmit data, bit 1. 10 TXD2 Output Ethernet transmit data, bit 2. 11 TXD3 Output Ethernet transmit data, bit 3. 12 MDC Input/Output Management data Clock . Used for managing the Ethernet device (MII management interface ). 13 MDIO Input/Output Management data input/output. Used for managing the Ethernet device (MII management interface). 14 LED0 Output LED output for status indication. Used to indicate activity or status for port 0. 15 LED1 Output LED output for status indication. Used to indicate activity or status for port 1. 16 LED2 Output LED output for status indication. Used to indicate activity or status for port 2. 17 LED3 Output LED output for status indication. Used to indicate activity or status for port 3. 18 COL Input/Output Collision indication for Ethernet transmission. Used to detect Ethernet collisions. 19 CRSDV Input Carrier Sense Data Valid. This pin is used to indicate the presence of a valid carrier signal. 20 RX_CLK Input Receive clock input. Provides timing for the Ethernet receive data. 21 TX_CLK Output Transmit clock output. Provides timing for the Ethernet transmit data. … … … …

Note: The above table is just an example with some of the typical pins in the KSZ8863RLLI Ethernet Switch IC. A complete list of all 128 pins with detailed functions would follow the same structure.

FAQ Section (Top 20 Questions)

What is the main function of the KSZ8863RLLI? The KSZ8863RLLI is a 3-port Ethernet switch IC, designed to manage Ethernet traffic for network devices, providing switching and packet forwarding. What type of package does the KSZ8863RLLI come in? It comes in an LQFP-128 package, which means it has 128 pins in a low-profile quad flat package. How do I reset the KSZ8863RLLI? The reset is controlled by the RESET_B pin. A low signal on this pin will reset the device. What is the VDD pin for on the KSZ8863RLLI? The VDD pin is the power supply input for the core circuitry. It needs to be connected to the appropriate voltage level (typically 3.3V or 1.8V depending on the configuration). What is the RXD0 pin used for? RXD0 is used to receive data on the first bit of the Ethernet data stream. It is part of the MII (Media Independent Interface) for Ethernet communication. What is the function of TX_CLK? TX_CLK is the transmit clock output. It provides timing for Ethernet transmission on the TXD pins. How do I configure LED indicators on the KSZ8863RLLI? The LED pins (LED0, LED1, LED2, LED3) are used to indicate status and activity for each of the Ethernet ports. These can be configured via software to show connection status, speed, etc. Can I use the MDIO and MDC pins for communication with a microcontroller? Yes, MDIO (Management Data Input/Output) and MDC (Management Data Clock) are used for managing the Ethernet device via the MII management interface. What is the function of the CRSDV pin? CRSDV (Carrier Sense Data Valid) is used to indicate the presence of a valid carrier signal for Ethernet communication.

How many ports does the KSZ8863RLLI support?

The KSZ8863RLLI supports up to 3 Ethernet ports.

What is the purpose of the collision detection (COL) pin?

The COL pin indicates if a collision is detected during data transmission on an Ethernet network.

Is the KSZ8863RLLI compatible with Gigabit Ethernet?

Yes, the KSZ8863RLLI supports up to 1000 Mbps (Gigabit Ethernet) on its ports.

How do I connect the RXD and TXD pins?

RXD pins are for receiving data, while TXD pins are for transmitting data. Both need to be connected to the corresponding lines on an Ethernet PHY.

What voltage should the VDD pin be connected to?

The VDD pin should typically be connected to a 3.3V or 1.8V supply, depending on the configuration and requirements of your system.

Can I use the KSZ8863RLLI in a 10/100 Ethernet network?

Yes, it is backward compatible with 10/100 Mbps Ethernet networks in addition to supporting Gigabit Ethernet.

How do I manage the KSZ8863RLLI device configuration?

Device configuration is managed through the MDIO and MDC pins, which allow you to communicate with the device to set parameters and read status.

What should I do if the RESET_B pin is not working correctly?

Ensure that the RESET_B pin is being driven low correctly for a reset. Check for proper grounding and signal integrity.

How do I monitor the status of each port?

You can monitor the status of each port via the LED pins, which indicate activity, link status, and speed.

Is the KSZ8863RLLI suitable for industrial applications?

Yes, it is designed to be used in industrial and embedded applications requiring reliable Ethernet switching.

How do I handle power consumption in the KSZ8863RLLI?

Proper power management and use of low-power modes can help manage power consumption, depending on your application requirements.

This format provides detailed and comprehensive pin function information, a packaging overview, and a robust FAQ section. The detailed list can extend to cover all 128 pins with their full specifications and additional FAQs as required.